The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 05, 2020
Filed:
Oct. 16, 2018
Linear Technology Holding Llc, Norwood, MA (US);
Bin Zhang, Grass Valley, CA (US);
Linear Technology Holding LLC, Norwood, MA (US);
Abstract
Techniques for operating a power supply under light load conditions are provided. In an example, a frequency of an oscillator can be adjusted based on a feedback signal indicative of a voltage error of the power supply when the feedback signal falls below a first threshold. In certain examples, a peak inductor current command can be kept constant and a slope compensation ramp can be based on the frequency of the oscillator when the feedback signal falls below the first threshold. In some examples, various circuits of the power supply can be disabled when the feedback signal further falls below a second threshold. The feedback signal can be indicative of a load on the power supply.